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JP2003219492

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
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DESCRIPTION JP2003219492
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
headphone type audio player which can be worn on the head and can hear sounds.
[0002]
2. Description of the Related Art Conventionally, as a portable audio player, a digital memory
player that outputs an audio signal from a signal output terminal by incorporating a memory for
storing audio data and an audio reproduction circuit in a portable small player body It has been
known. In such a digital memory player, music can be heard from the earphone by connecting a
cord connected to the earphone to the signal output terminal. Also, as a portable audio player, a
pair of left and right headphones covering both ears are disposed at both ends of a headband to
be worn on the head, and a player body to be supplied with audio signals to both headphones is a
headband. A headphone type digital memory player provided integrally is known.
[0003]
SUMMARY OF THE INVENTION When purchasing a portable digital memory player, the user can
use either an earphone digital memory player or a headphone digital memory player to listen to
music using earphones. Will be selected. However, although the earphone type digital memory
player can be carried by putting it in a pocket or the like, it has a disadvantage that the cord
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extending from the player main body to the ear becomes an obstacle. On the other hand, in the
headphone type digital memory player, the player body is integrated with the headband worn on
the head, and there is no cord, so there is no disadvantage that the cord gets in the way. There
was a drawback of being disturbed. Therefore, when the user selects and purchases one type of
digital memory player, there is a problem that the user always has to accept the drawbacks that
the digital memory player has.
[0004]
Therefore, it is an object of the present invention to be able to take the first use state according
to the request and to be in the way of the cord, when it is desired to enjoy music without
disturbing the cord even if the hair is disturbed. An object of the present invention is to provide
an audio player capable of taking a second use state according to the request when it is desired
to enjoy music without disturbing the hair.
[0005]
A headphone type audio player according to the present invention has a first player unit (1) and
a second player unit (2) disposed at both ends of a U-shaped headband (3). A first headphone
unit (15) connected to one end of the headband (3) and covering one ear, and a first headphone
unit (15). And a signal reproduction unit (10) detachably mounted.
The second player unit (2) is detachable from the second headphone unit (25) connected to the
other end of the headband (3) and covering the other ear, and the second headphone unit (25)
The signal reproduction unit (10) and the power supply unit (20) detached from the two
headphone units (15, 25) are detachable from each other. A power line and a signal line
extending over the entire length of the headband are disposed in the headband (3), and the signal
reproduction unit (10) is attached to the first headphone unit (15) and a power is supplied to the
second headphone unit (25). In the first use state where the unit (20) is attached, power is
supplied from the power supply unit (20) to the signal reproduction unit (10) through the power
line, and the signal reproduction unit (10) 15) An audio signal is supplied to the second
headphone unit (25) from the signal reproduction unit (10) through the signal line. Also, in the
second usage state where the signal reproduction unit (10) and the power supply unit (20)
removed from both headphone units (15) and (25) are combined with each other, the signal
reproduction unit (20) is Power is supplied to 10), and an audio signal is output from the signal
output terminal (14) of the signal reproduction unit (10).
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[0006]
In the headphone type audio player of the present invention, when it is desired to enjoy music
without disturbing the cord even if the hair is disturbed, the signal reproducing unit (10) is
attached to the first headphone unit (15), 2 Attach the power supply unit (20) to the headphone
unit (25) and take the first use condition. As a result, the power of the power supply unit (20) is
supplied to the signal reproduction unit (10) through the power line, and the signal reproduction
unit (10) performs an audio reproduction operation upon receiving the power. As a result, an
audio signal is supplied from the signal reproduction unit (10) to the first headphone unit (15),
and an audio signal is supplied from the signal reproduction unit (10) to the second headphone
unit (25) through the signal line. Ru. Therefore, the user can hear the sound from both
headphone units (15) (25) by putting the headband (3) on the head and putting both headphone
units (15) (25) on both ears . In this case, the code is not in the way as it is unnecessary.
[0007]
On the other hand, if you want to enjoy music without disturbing your hair even if the cord gets
in the way, remove the signal reproduction unit (10) from the first headphone unit (15) and the
second headphone unit (25) The power supply unit (20) is removed and the signal reproduction
unit (10) and the power supply unit (20) are combined with each other to take a second use
state. As a result, the signal reproduction unit (10) receives the supply of power from the power
supply unit (20) to perform an audio reproduction operation, and an audio signal is output from
the signal output terminal (14). Therefore, the user can hear the sound from the earphone by
connecting the cord of the earphone to the signal output terminal (14). In this case, since it is not
necessary to attach the headband to the head, the hair will not be disturbed. Also, since the signal
reproduction unit (10) and the power supply unit (20) united with each other are compact, they
can be carried in a pocket or the like.
[0008]
In the specific configuration, the signal reproduction unit (10) and the second headphone unit
(25) are provided with the first engagement / disengagement mechanism having a common
structure, and the power supply unit (20) and the first headphone unit (15) Are common to each
other and are provided with a second engagement / disengagement mechanism that disengages
from the first engagement / disengagement mechanism. In the specific configuration, when
taking the first use state, the first engagement / disengagement mechanism of the signal
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reproduction unit (10) is engaged with the second engagement / disengagement mechanism of
the first headphone unit (15). , Attaching the signal reproduction unit (10) to the first headphone
unit (15) and engaging the second engagement / disengagement mechanism of the power supply
unit (20) with the first engagement / disengagement mechanism of the second headphone unit
(25) Thus, the power supply unit (20) can be attached to the second headphone unit (25). When
the second use state is taken, the signal reproducing unit (10) is engaged by engaging the second
engaging / disengaging mechanism of the power supply unit (20) with the first engaging /
disengaging mechanism of the signal reproducing unit (10) And the power supply unit (20) can
be combined with each other.
[0009]
In another specific configuration, a pair of connectors (13) and (18) which can be engaged and
disengaged with each other is disposed on the opposing portion of the signal reproduction unit
(10) and the first headphone unit (15). Of the connector (13) of the signal reproduction unit (10)
and the power supply unit (20) are disposed at the opposing part of the second headphone unit
(25). The connector (23) is detachable from each other, and power and signals are transmitted
between the units via the engaged connectors.
[0010]
In the specific configuration, when the first use state is set, the connector (23) of the power
supply unit (20) engages with the connector (28) of the second headphone unit (25), and the
power supply unit (20) Power is supplied to the signal regenerating unit (10) through the power
line.
Also, the connector (13) of the signal reproduction unit (10) engages with the connector (18) of
the first headphone unit (15), and an audio signal is transmitted from the signal reproduction
unit (10) to the first headphone unit (15). While being supplied, an audio signal is supplied from
the signal reproduction unit (10) to the second headphone unit (25) through the signal line. On
the other hand, when the second use state is set, the connector (13) of the signal reproduction
unit (10) engages with the connector (23) of the power supply unit (20), and from the power
supply unit (20) Power is supplied to the signal regeneration unit (10).
[0011]
According to the headphone type audio player according to the present invention, when it is
desired to enjoy music without disturbing the cord even if the hair is disturbed, the demand is
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satisfied by taking the first use state. If you want to enjoy music without disturbing your hair,
even if it can be satisfied and the code gets in the way, you can meet that requirement by taking
a second use.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention
applied to a digital memory player will be specifically described with reference to the drawings.
In the headphone type digital memory player according to the present invention, as shown in
FIG. 1, a first player unit (1) and a second player unit (2) are provided at both ends of a U-shaped
headband (3) made of an elastic member. Deployed and configured.
[0013]
The first player unit (1) comprises a first headphone unit (15) connected to one end of the
headband (3), and a signal reproduction unit (5) detachably attached to the first headphone unit
(15). 10) and. The signal reproduction unit (10) incorporates a signal reproduction circuit for
reproducing an audio signal. Further, on the outer peripheral surface of the signal reproduction
unit (10), an insertion slot (19) for inserting a card type memory in which audio data is recorded
is opened, and an output terminal (14) for audio signal is arranged. A liquid crystal display (11)
for displaying various information is disposed on the outer surface of the signal reproduction
unit (10).
[0014]
The second player unit (2) is detachably mounted on the second headphone unit (25) connected
to the other end of the headband (3) and the second headphone unit (25) as shown in FIG. And a
power supply unit (20). The power supply unit (20) incorporates a secondary battery for
supplying power to the signal reproduction circuit of the first player unit (1).
[0015]
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In the digital memory player according to the present invention, the signal reproduction unit (10)
is attached to the first headphone unit (15) as shown in FIG. 1, and the power supply unit (20) is
attached to the second headphone unit (25). Then, by wearing the headband (3) on the head,
both player parts (1) and (2) cover both ears, and the usage condition similar to that of the
conventional headphone type digital memory player (No. 1) can be taken. In the digital memory
player according to the present invention, the signal reproduction unit (10) is removed from the
first headphone unit (15), and the power supply unit (20) is removed from the second headphone
unit (25). It is possible to combine the signal reproduction unit (10) and the power supply unit
(20) with each other, and in this state, by connecting the earphones (62) (62) to the signal
reproduction unit (10), It is also possible to take the same use state (second use state) as the
earphone type digital memory player.
[0016]
FIG. 2 shows the structure of the engagement portion of the first headphone unit (15) and the
signal reproduction unit (10) constituting the first player unit (1), and the inner surface of the
signal reproduction unit (10) is A pair of elastic engagement pieces (12) (12) are formed at both
ends, and each elastic engagement piece (12) is provided with an L-shaped engagement hook
(12a). . On the other hand, on the outer surface of the first headphone unit (15), a pair of
engagements in which the engagement hooks (12a) and (12a) of the pair of elastic engagement
pieces (12) and (12) should engage engageably Receiving windows (17) and (17) have been
opened. Thus, the first engagement / disengagement mechanism is constituted by the pair of
elastic engagement pieces (12) (12) of the signal reproduction unit (10), and the pair of
engagement reception windows (17) of the first headphone unit (15). The opening edge of (17)
constitutes a second engaging / disengaging mechanism for engaging / disengaging with the first
engaging / disengaging mechanism.
[0017]
Also, while the female connector (13) is installed on the inner surface of the signal reproduction
unit (10), the outer surface of the first headphone unit (15) is for the female connector (13) of
the signal reproduction unit (10). A removable male connector (18) is provided.
[0018]
When attaching the signal reproduction unit (10) to the first headphone unit (15), the inner
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surface of the signal reproduction unit (10) is pressed against the outer surface of the first
headphone unit (15).
Along with this, the pair of elastic engagement pieces (12) (12) of the signal reproduction unit
(10) elastically deforms in the direction in which they approach each other and then elastically
returns in the spreading direction, and the engagement hooks (12a) (12 12a) engages with the
opening edge of the engagement receiving window (17) (17) of the first headphone unit (15). As
a result, the signal reproduction unit (10) and the first headphone unit (15) are mechanically
connected to each other. Also, the female connector (13) of the signal reproduction unit (10) and
the male connector (18) of the first headphone unit (15) are engaged with each other, and the
signal reproduction unit (10) and the first headphone unit (15) And are electrically connected to
each other.
[0019]
When removing the signal reproduction unit (10) from the first headphone unit (15), the pair of
elastic engagement pieces (12) (12) of the signal reproduction unit (10) are pinched from both
sides. As a result, the pair of elastic engagement pieces (12) (12) elastically deform in the
direction in which they approach each other, and the engagement hooks (12a) (12a) form the
engagement receiving window (17) of the first headphone unit (15). It will be separated from the
opening edge of (17). In this state, the signal reproduction unit (10) is pulled away from the first
headphone unit (15).
[0020]
FIG. 3 shows the structure of the engagement portion of the second headphone unit (25) and the
power supply unit (20) that constitute the second player unit (2), and the outer surface of the
second headphone unit (25) is A pair of elastic engagement pieces (27) and (27) are formed at
both ends thereof, and each elastic engagement piece (27) is provided with an L-shaped
engagement hook (27a). . On the other hand, on the inner surface of the power supply unit (20),
a pair of engagement receiving windows to which the engagement hooks (27a) and (27a) of the
pair of elastic engagement pieces (27) and (27) should engage (22) (22) has been established.
Thus, the first engagement / disengagement mechanism is constituted by the pair of elastic
engagement pieces (27) (27) of the second headphone unit (25), and the pair of engagement
reception windows (22) (22) (the power supply unit (20)). The opening edge of 22) constitutes a
second engaging / disengaging mechanism for engaging / disengaging with the first engaging /
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disengaging mechanism.
[0021]
Moreover, while the female connector (28) is installed on the outer surface of the second
headphone unit (25), the inner surface of the power supply unit (20) is for the female connector
(28) of the second headphone unit (25). A removable male connector (23) is provided.
[0022]
When attaching the power supply unit (20) to the second headphone unit (25), the inner surface
of the power supply unit (20) is pressed against the outer surface of the second headphone unit
(25).
Along with this, the pair of elastic engagement pieces (27) and (27) of the second headphone unit
(25) elastically deform in the direction in which they approach each other and then elastically
return in the spreading direction, and the engagement hook (27a) (27a) engages with the
opening edge of the engagement receiving window (22) (22) of the power supply unit (20). As a
result, the second headphone unit (25) and the power supply unit (20) are mechanically
connected to each other. Also, the female connector (28) of the second headphone unit (25) and
the male connector (23) of the power supply unit (20) engage with each other, and the second
headphone unit (25) and the power supply unit (20) They are electrically connected to each
other.
[0023]
When removing the power supply unit (20) from the second headphone unit (25), the pair of
elastic engagement pieces (27) (27) of the second headphone unit (25) are pinched from both
sides. As a result, the pair of elastic engagement pieces (27) (27) elastically deform in the
direction in which they approach each other, and the engagement hooks (27a) (27a) are engaged
with the engagement receiving windows (22) (22) of the power supply unit (20). It will be
detached from the opening edge of). In this state, the power supply unit (20) is pulled away from
the second headphone unit (25).
[0024]
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The second headphone unit (25) constituting the second player portion (2) and the pair of elastic
engaging pieces (12) (12) of the signal reproduction unit (10) constituting the first player portion
(1) The pair of elastic engagement pieces (27) and (27) are formed in the same shape and size as
each other, and the pair of engagement receiving windows of the first headphone portion (15)
constituting the first player portion (1) (17) (17) and the pair of engagement receiving windows
(22) and (22) of the power supply unit (20) constituting the second player section (2) are formed
in the same shape and size. Also, the female connector (13) of the signal reproduction unit (10)
constituting the first player unit (1), and the female connector (28) of the second headphone unit
(25) constituting the second player unit (2) Are formed in the same shape and size as each other,
and the male connector (18) of the first headphone unit (15) constituting the first player unit (1)
and the power unit (2) constituting the second player unit (2) The male connector (23) of 20) is
formed in the same shape and size as each other.
[0025]
Therefore, in order to take the second use state, the signal reproduction unit (10) is removed
from the first headphone section (15), and the power supply unit (20) is removed from the
second headphone unit (25). By pressing the signal reproduction unit (10) and the power supply
unit (20) into contact with each other, the engagement hooks (12a) (12a) of the elastic
engagement pieces (12) (12) of the signal reproduction unit (10) The female connector (13) of
the signal reproduction unit (10) and the male connector (23) of the power supply unit (20) are
engaged with the opening edge of the engagement receiving window (22) (22) of the unit (20) It
can be engaged with each other. As a result, as shown in FIG. 5, both units (10) and (20) merge
with each other.
[0026]
FIG. 4 shows the circuit configuration of the signal reproduction unit (10) and the case where the
signal reproduction unit (10) is attached to the first headphone unit (15) and the power supply
unit (20) is attached to the second headphone unit (25) 1 shows the electrical connection
between units in the first use state). The signal reproduction unit (10) includes a liquid crystal
display (42) for displaying various information, an interface (43) for connecting a card type
memory (7) in which audio data is recorded, and signal output A control circuit (41) for
executing a predetermined control operation as a circuit for reproducing sound from the card
type memory (7) while being provided with a terminal (14), and a digital output from the control
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circuit (41) A decoder (44) for demodulating data, a D / A converter (45) for converting a digital
voice signal obtained from the decoder (44) into an analog voice signal, and an analog voice
obtained from the D / A converter (45) An amplifier (46) for amplifying the signal and supplying
it to the female connector (13) and the audio output terminal (14), and a power supply circuit
(47) for supplying power to each circuit section are provided.
[0027]
Also, a signal line for transmitting an audio signal between the male connector (18) of the first
headphone unit (15) and the female connector (28) of the second headphone unit (25) to the
headband (3) (31) and power lines (32) (32) for transmitting power are embedded.
[0028]
In the first use state, the power generated by the battery (21) of the power supply unit (20) is the
male connector (23) of the power supply unit (20), the female connector (28) of the second
headphone unit (25), and the head A signal reproduction unit through the power line (32) (32)
embedded in the band (3), the male connector (18) of the first headphone unit (15), and the
female connector (13) of the signal reproduction unit (10) It is supplied to the power supply
circuit (47) of (10).
As a result, the signal reproduction unit (10) performs a signal reproduction operation.
[0029]
The analog audio signals of the left and right channels output from the amplifier (46) of the
signal reproduction unit (10) pass through the female connector (13) of the signal reproduction
unit (10) and the male connector of the first headphone unit (15) It is input to (18). Then, the
analog audio signal of the right channel is supplied to the right channel speaker (50) of the first
headphone unit (15). Also, the analog audio signal of the left channel is supplied to the left
channel speaker (51) of the second headphone unit (25) through the signal line (31) embedded
in the headband (3). As a result, stereo sound is output from both speakers (50) (51).
[0030]
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10
FIG. 7 shows the electrical connection between units when the signal reproduction unit (10) and
the power supply unit (20) are combined with each other (second use state). In the second use
state, the power generated by the battery (21) of the power supply unit (20) passes through the
male connector (23) of the power supply unit (20) and the female connector (13) of the signal
reproduction unit (10) It is supplied to the power supply circuit (47) of the signal reproduction
unit (10). As a result, the signal reproduction unit (10) performs a signal reproduction operation.
[0031]
Here, by connecting the input terminal (60) of the cord (61) connected to the pair of left and
right earphones (62) (62) to the signal output terminal (14) of the signal reproduction unit (10),
the signal output terminal The analog audio signal output from (14) is supplied to the earphones
(62) (62). As a result, stereo sound is output from both earphones (62) and (62).
[0032]
Therefore, according to the headphone type digital memory player according to the present
invention, when it is desired to enjoy the music without disturbing the cord even if the hair is
disturbed, the head band is taken in the first use state shown in FIG. (3) should be worn on the
head and both player parts (1) and (2) should be placed on both ears. This makes it possible to
enjoy stereo sound with good sound quality without being bothered by the cord. On the other
hand, if you want to enjoy music without disturbing your hair even if the cord gets in the way,
take the second usage state shown in Figure 5, and pair the left and right earphones (62) and
(62). You can wear it on your ear. By this, it is possible to enjoy stereo music without worrying
about the disorder of the hair by the headband. In addition, the player can be made compact at
the time of carrying.
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